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National Scientific 8-425 Septa

Quick Overview

For 8-425 Screw Thread Caps

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Choose Product Configurations

Product Name Part # Image Price Qty
8mm Septum, Red PTFE/White Silicone, 0.04" Thickness, Pre-slit, 1000/case

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NS-C401360TW 8mm Septum, Red PTFE/White Silicone, 0.04" Thickness, Pre-slit, 1000/case
$380.00
8mm Septum, Red PTFE/White Silicone, 100/pack

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NS-C401360 8mm Septum, Red PTFE/White Silicone, 100/pack
$16.09
8mm Septum, Red PTFE/White Silicone, 100/pack

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NS-C401355 8mm Septum, Red PTFE/White Silicone, 100/pack
$26.40
8mm Septum, Blue PTFE/White Silicone, Pre-slit, 100/pack

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NS-C401332 8mm Septum, Blue PTFE/White Silicone, Pre-slit, 100/pack
$39.91
8mm Septum, Ivory PTFE/Red Rubber, 100/pack

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NS-C401330 8mm Septum, Ivory PTFE/Red Rubber, 100/pack
$15.98
8mm Septum, Red PTFE/White Silicone/Red PTFE, 100/pack

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NS-C401340 8mm Septum, Red PTFE/White Silicone/Red PTFE, 100/pack
$32.41
8mm Septum, Virgin PTFE, 10mil, 1000/case

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NS-C401310 8mm Septum, Virgin PTFE, 10mil, 1000/case
$44.71
8mm Septum, Tan PTFE/White Silicone, 1000/case

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NS-C401361 8mm Septum, Tan PTFE/White Silicone, 1000/case
$204.52

Additional Details

* PTFE Disk septa are chemically inert

* PTFE Red Rubber septa are economical for many GC applications

* PTFE/Silicone septa are most popular for HPLC and IC applications

* Pre-slit septa are easier to pierce with thin gauge needles